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Markarian's Chain

Grigoriy
44690
Category:Deep Sky
Published:
2377
Markarian's ChainNGC 4413NGC 4443IC 3279IC 3333IC 3420IC 3423IC 3426NGC 4374NGC 4387NGC 4388NGC 4402NGC 4406NGC 4407NGC 4425NGC 4435NGC 4438NGC 4458NGC 4461NGC 4473NGC 4477NGC 4479IC 3280IC 3303IC 3344IC 3355IC 3363IC 3382IC 3386IC 3388IC 3393
Resolution:
3178x2288 px
File size:
963 KB

Photo description / processing

L channel: Takahashi TSA 102s telescope + 0.7x reducer/flattener QHY163m camera + IDAS NB1 filter 38x300s (gain 30, temp -15°C) + 73x120s (gain 174, temp -15°C) RGB: DeepSky 80/480 APO telescope + 0.79x reducer/flattener QHY168c camera + Baader UHC-S filter 37x300s (gain 4, temp -15°C) + 75x120s (gain 10, temp -15°C) Mount: SkyWatcher AZEQ6 Off-axis guider + QHY5L-IIm camera Processing: calibration, alignment, stacking, post-processing – PixInsight + Photoshop. Location: South Moscow, balcony.

Technical information

Telescope/Lens
Takahashi 102s, Deepsky 80/480 APO
Camera
Qhy163m, Qhy168c
Mount
Sky-Watcher AZ-EQ6 GT
Software
Astro Photography Tool, Pixinsight, Adobe Photoshop
Location
Москва, Россия

Light pollution

Orange, Bortle 6 zone

astrobin.com/full/28jmlt/E

Exposure

  • 3000 × 38″ · ISO/Gain: 30 · Qhy163m + IDAS NB1
  • 120 × 73″ · ISO/Gain: 174 · Qhy163m + IDAS NB1
  • 300 × 37″ · ISO/Gain: 10 · Qhy168с + Baader UHC-S
  • 120 × 75″ · ISO/Gain: 10 · Qhy168с + Baader UHC-S

Total exposure: 39 h 41 m

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